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ARMv6-M 体系架构参考手册
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ARMv6-M 体系架构参考手册,ARM架构的官方说明手册,其中详细介绍了ARM处理器核各个模块的详细设计和原理,非常适合嵌入式工程师使用
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Copyright © 2007-2008, 2010 ARM Limited. All rights reserved.
ARM DDI 0419C (ID092410)
ARMv6-M Architecture
Reference Manual

ii Copyright © 2007-2008, 2010 ARM Limited. All rights reserved. ARM DDI 0419C
Non-Confidential ID092410
ARMv6-M Architecture Reference Manual
Copyright © 2007-2008, 2010 ARM Limited. All rights reserved.
Release Information
The following changes have been made to this document.
Proprietary Notice
This ARM Architecture Reference Manual is protected by copyright and the practice or implementation of the
information herein may be protected by one or more patents or pending applications. No part of this ARM Architecture
Reference Manual may be reproduced in any form by any means without the express prior written permission of ARM.
No license, express or implied, by estoppel or otherwise to any intellectual property rights is granted by this ARM
Architecture Reference Manual.
Your access to the information in this ARM Architecture Reference Manual is conditional upon your acceptance that you
will not use or permit others to use the information for the purposes of determining whether implementations of the ARM
architecture infringe any third party patents.
This ARM Architecture Reference Manual is provided “as is”. ARM makes no representations or warranties, either
express or implied, included but not limited to, warranties of merchantability, fitness for a particular purpose, or
non-infringement, that the content of this ARM Architecture Reference Manual is suitable for any particular purpose or
that any practice or implementation of the contents of the ARM Architecture Reference Manual will not infringe any third
party patents, copyrights, trade secrets, or other rights.
This ARM Architecture Reference Manual may include technical inaccuracies or typographical errors.
To the extent not prohibited by law, in no event will ARM be liable for any damages, including without limitation any
direct loss, lost revenue, lost profits or data, special, indirect, consequential, incidental or punitive damages, however
caused and regardless of the theory of liability, arising out of or related to any furnishing, practicing, modifying or any
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Words and logos marked with ® or TM are registered trademarks or trademarks of ARM Limited, except as otherwise
stated below in this proprietary notice. Other brands and names mentioned herein may be the trademarks of their
respective owners.
Copyright © 2007-2008, 2010 ARM Limited
110 Fulbourn Road Cambridge, England CB1 9NJ
Restricted Rights Legend: Use, duplication or disclosure by the United States Government is subject to the restrictions
set forth in DFARS 252.227-7013 (c)(1)(ii) and FAR 52.227-19.
Change History
Date Issue Confidentiality Change
March 2007 A Non-Confidential First release
September 2008 B Non-Confidential, Restricted Access Additions to the System Control Block, power management support,
corrections to errata and clarifications
September 2010 C Non-confidential Additions to describe the Unprivileged/Privileged Extension and the
Protected Memory System Architecture (PMSA) Extension. Also extensive
clarification and reorganization.

ARM DDI 0419C Copyright © 2007-2008, 2010 ARM Limited. All rights reserved. iii
ID092410 Non-Confidential
This document is Non-Confidential but any disclosure by you is subject to you providing notice to and the
acceptance by the recipient of, the conditions set out above.
In this document, where the term ARM is used to refer to the company it means “ARM or any of its subsidiaries as
appropriate”.
Note
The term ARM is also used to refer to versions of the ARM architecture, for example ARMv6 refers to version 6 of the
ARM architecture. The context makes it clear when the term is used in this way.

iv Copyright © 2007-2008, 2010 ARM Limited. All rights reserved. ARM DDI 0419C
Non-Confidential ID092410

ARM DDI 0419C Copyright © 2007-2008, 2010 ARM Limited. All rights reserved. v
ID092410 Non-Confidential
Contents
ARMv6-M Architecture Reference Manual
Preface
About this manual ............................................................................... xvi
Using this manual .............................................................................. xvii
Conventions ........................................................................................ xix
Additional reading ................................................................................ xx
Feedback ............................................................................................ xxi
Part A Application Level Architecture
Chapter A1 Introduction
A1.1 About the ARM architecture profiles .............................................. A1-26
A1.2 Privileged and unprivileged execution ............................................ A1-27
Chapter A2 Application Level Programmers’ Model
A2.1 About the application level programmers’ model ........................... A2-30
A2.2 ARM processor data types and arithmetic ..................................... A2-31
A2.3 Registers and execution state ........................................................ A2-36
A2.4 Exceptions, faults and interrupts .................................................... A2-39
A2.5 Coprocessor support ...................................................................... A2-40
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